Seiko Cal. 6660 - 665

The Seiko 6660-665 represents an important milestone in Seiko's 1981 lineup. It features a Champagne dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-587e976ca07b]

Also known as: Turtle, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Champagne

Jewels

18j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1981

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